"Since January 2010, thousands of customers have moved from CTP to production and partners like Origin Digital, GXS, tradefacilitate and 3M are actively building and deploying solutions to the Windows Azure platform. Starting today, they, along with all of our partners, will be able to begin selling their solutions to their customers, ultimately enabling them to reach new markets and increase their revenue," the Azure blog said.

Customers who have not yet upgraded Windows Azure CTP accounts to paid commercial subscriptions will have service disabled and their data on Windows Azure Storage will be made read-only. SQL Azure CTP customers who have not yet upgraded can keep using existing databases but cannot create new ones. On 1 March, SQL Azure CTP accounts that have not been upgraded will be deleted. Windows Azure Storage CTP accounts that have not been upgraded will be deleted on April 1.